Performancing, blogspot beta and upload picture vi…

Still trying to upload picture to blogspot using API, trying both blogspot beta and wordpress and the result is :Blogspot beta : encounter error (fail to upload via API)

WordPress : success

I have try at home too :

Home :

Firefox 2.0 and performancing 1.3.5

Office :

Firefox 1.5.0.8 and performancing 1.3.5

Example